Home / 2,931,291.45-4,395,900.38-1,394,105.85

Finding the Fourth Proportional to 2,931,291.45, 4,395,900.38 and 1,394,105.85

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Solution

The fourth proportional to 2,931,291.45, 4,395,900.38 and 1,394,105.85 is: 2,090,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,291.45 : 4,395,900.38 = 1,394,105.85 : x
  2. Step 2: Convert to fraction form
    2,931,291.45/4,395,900.38 = 1,394,105.85/x
  3. Step 3: Cross multiply
    2,931,291.45x = 4,395,900.38 × 1,394,105.85
  4. Step 4: Simplify right side
    2,931,291.45x = 6,128,350,428,804.69
  5. Step 5: Solve for x
    x = 6,128,350,428,804.69/2,931,291.45
  6. Step 6: Final answer
    x = 2,090,665.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.